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authorgdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>2011-03-19 18:19:39 +0000
committergdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>2011-03-19 18:19:39 +0000
commit9d812b5db3c21ff09e30a115c7643f7fec5492a3 (patch)
treeb669498cee843fc6130b3530a145a73c1e2c70a0 /os/ports/RVCT/ARMCMx
parent84cc66dce9b5c8d0cfee1dcb5126f66a60c3f226 (diff)
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Added stack checking to the RVCT Cortex-Mx port.
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@2835 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os/ports/RVCT/ARMCMx')
-rw-r--r--os/ports/RVCT/ARMCMx/chcore_v6m.h9
-rw-r--r--os/ports/RVCT/ARMCMx/chcore_v7m.h11
2 files changed, 19 insertions, 1 deletions
diff --git a/os/ports/RVCT/ARMCMx/chcore_v6m.h b/os/ports/RVCT/ARMCMx/chcore_v6m.h
index 970fc3b8d..9c5e35b33 100644
--- a/os/ports/RVCT/ARMCMx/chcore_v6m.h
+++ b/os/ports/RVCT/ARMCMx/chcore_v6m.h
@@ -208,7 +208,16 @@ struct intctx {
* @param[in] ntp the thread to be switched in
* @param[in] otp the thread to be switched out
*/
+#if !defined(CH_DBG_ENABLE_STACK_CHECK) || defined(__DOXYGEN__)
#define port_switch(ntp, otp) _port_switch(ntp, otp)
+#else
+#define port_switch(ntp, otp) { \
+ struct intctx *r13 = (struct intctx *)__current_sp(); \
+ if ((void *)(r13 - 1) < (void *)(otp + 1)) \
+ chDbgPanic("stack overflow"); \
+ _port_switch(ntp, otp); \
+}
+#endif
#ifdef __cplusplus
extern "C" {
diff --git a/os/ports/RVCT/ARMCMx/chcore_v7m.h b/os/ports/RVCT/ARMCMx/chcore_v7m.h
index 45f9843e3..3a4cbe381 100644
--- a/os/ports/RVCT/ARMCMx/chcore_v7m.h
+++ b/os/ports/RVCT/ARMCMx/chcore_v7m.h
@@ -234,7 +234,16 @@ struct intctx {
* @param[in] ntp the thread to be switched in
* @param[in] otp the thread to be switched out
*/
-#define port_switch(ntp, otp) _port_switch(ntp, otp)
+#if !defined(CH_DBG_ENABLE_STACK_CHECK) || defined(__DOXYGEN__)
+#define port_switch(ntp, otp) _port_switch(ntp, otp)
+#else
+#define port_switch(ntp, otp) { \
+ struct intctx *r13 = (struct intctx *)__current_sp(); \
+ if ((void *)(r13 - 1) < (void *)(otp + 1)) \
+ chDbgPanic("stack overflow"); \
+ _port_switch(ntp, otp); \
+}
+#endif
#ifdef __cplusplus
extern "C" {